Green, white, black, and white tea, made from the Camellia sinensis plant, are rich in antioxidants and contain L-theanine, which promotes relaxation. Tea has the natural ability to calm, Goggi notes.

How Long To Steep Tea So It Doesn't Get Bitter The ideal steeping time for tea that's neither weak nor bitter depends on what type of tea you are brewing. Three to five minutes is ideal for black ...